| 释义 |
content of nicotine
基本例句
烟碱含量
The content of nornicotine is higher after flue-curing than before flue-curing.湿度对烟碱含量影响无明显的规律性。
The color-reaction of nicotine with methyl orange was studied,and the satisfying result was obtained by applying it to determinate nicotine in smoke directly.研究了甲基橙与烟碱的显色反应，并将其应用于直接测定烟气中的烟碱含量，获得较为满意效果。 |